/* --- CSS VARIABLES & THEMING --- */
        :root {
            /* Light Theme Defaults */
            --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            --glass-bg: rgba(255, 255, 255, 0.65);
            --glass-border: rgba(255, 255, 255, 0.4);
            --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
            
            --text-main: #1e293b;
            --text-muted: #64748b;
            --input-bg: rgba(255, 255, 255, 0.5);
            
            --primary: #3b82f6;
            --primary-grad: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
            --success: #10b981;
            --danger: #ef4444;
            --warning: #f59e0b;
            
            --sidebar-width: 250px;
            --header-height: 70px;
            --console-height: 200px;
        }

        /* Dark Mode Overrides */
        body.dark-mode {
            --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            --glass-bg: rgba(30, 41, 59, 0.7);
            --glass-border: rgba(255, 255, 255, 0.08);
            --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
            
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --input-bg: rgba(0, 0, 0, 0.3);
        }

        * { box-sizing: border-box; transition: background-color 0.3s, border-color 0.3s, color 0.3s; }

        body {
            background: var(--bg-gradient);
            background-attachment: fixed; /* Keeps gradient static */
            color: var(--text-main);
            font-family: 'Plus Jakarta Sans', sans-serif;
            margin: 0;
            display: flex;
            flex-direction: column;
            height: 100vh;
            overflow: hidden;
        }

        /* --- GLASS MIXINS --- */
        .glass-panel {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            box-shadow: var(--glass-shadow);
        }

        /* --- HEADER --- */
        header {
            height: var(--header-height);
            padding: 0 25px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            z-index: 20;
            border-bottom: 1px solid var(--glass-border);
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
        }

        .brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }

        .conn-bar {
            display: flex;
            gap: 10px;
            background: var(--input-bg);
            padding: 5px;
            border-radius: 12px;
            border: 1px solid var(--glass-border);
        }

        /* --- LAYOUT --- */
        .layout {
            display: flex;
            flex: 1;
            overflow: hidden;
            height: calc(100vh - var(--header-height) - var(--console-height));
        }

        /* --- SIDEBAR --- */
        nav {
            width: var(--sidebar-width);
            padding: 20px 15px;
            display: flex;
            flex-direction: column;
            gap: 5px;
            border-right: 1px solid var(--glass-border);
            background: var(--glass-bg); /* Sidebar Glass */
        }

        nav button {
            background: transparent;
            color: var(--text-muted);
            padding: 12px 16px;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 600;
            text-align: left;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all 0.2s ease;
        }

        nav button i { width: 20px; text-align: center; }

        nav button:hover {
            background: rgba(var(--primary), 0.1);
            color: var(--primary);
            transform: translateX(3px);
        }

        nav button.active {
            background: var(--primary-grad);
            color: white;
            box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
        }

        nav button.danger { margin-top: auto; color: var(--danger); }
        nav button.danger:hover { background: rgba(239, 68, 68, 0.1); }

        /* --- MAIN CONTENT --- */
        main {
            flex: 1;
            padding: 30px;
            overflow-y: auto;
        }

        /* --- UI ELEMENTS --- */
        h2 { margin: 0 0 20px 0; font-weight: 700; letter-spacing: -0.5px; opacity: 0.9; }
        h3 { font-size: 1.1rem; margin-bottom: 15px; opacity: 0.9; }

        /* Inputs */
        input, select, textarea {
            background: var(--input-bg);
            border: 1px solid var(--glass-border);
            color: var(--text-main);
            padding: 10px 15px;
            border-radius: 8px;
            font-family: inherit;
            width: 100%;
            outline: none;
        }
        
        /* Header specific inputs to blend in */
        header input { 
            background: transparent; 
            border: none; 
            font-size: 0.85rem; 
            width: 140px;
        }
        header input:focus { background: rgba(255,255,255,0.1); }

        input:focus, select:focus, textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
        }

        /* Buttons */
        button {
            border: none;
            padding: 10px 18px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: transform 0.1s;
        }
        button:active { transform: scale(0.98); }

        /* Header Connect Btn */
        header button {
            background: var(--primary-grad);
            color: white;
            padding: 6px 16px;
            border-radius: 8px;
            font-size: 0.85rem;
        }

        /* Standard Buttons */
        .btn-action { background: var(--primary-grad); color: white; box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3); }
        .btn-warn { background: var(--warning); color: white; }
        .btn-danger { background: var(--danger); color: white; }
        
        .btn-tiny {
            padding: 5px 12px;
            font-size: 0.75rem;
            background: var(--input-bg);
            border: 1px solid var(--glass-border);
            color: var(--text-main);
        }
        .btn-tiny:hover { border-color: var(--primary); color: var(--primary); }

        /* Theme Toggle Btn */
        .theme-toggle {
            background: transparent;
            color: var(--text-muted);
            font-size: 1.2rem;
            padding: 8px;
            margin-right: 15px;
        }
        .theme-toggle:hover { color: var(--primary); transform: rotate(15deg); }

        /* --- CARDS & GRIDS --- */
        .card {
            /* Inherits glass-panel properties via class */
            padding: 25px;
            border-radius: 16px;
            margin-bottom: 25px;
        }

        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 15px; }
        .grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-bottom: 20px; }
        .full-width { width: 100%; margin-top: 10px; }

        /* --- DASHBOARD SERVICES --- */
        .dash-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
        
        .service-card {
            display: flex; flex-direction: column; gap: 15px;
            transition: transform 0.2s;
        }
        .service-card:hover { transform: translateY(-3px); }

        .svc-top { display: flex; justify-content: space-between; align-items: center; width: 100%; font-weight: 600; }
        .svc-top i { opacity: 0.7; }

        .status-dot { width: 10px; height: 10px; border-radius: 50%; background: #94a3b8; }
        .status-dot.active { background: var(--success); box-shadow: 0 0 10px var(--success); }
        .status-dot.inactive { background: var(--danger); }

        /* --- DEEP SCAN --- */
        .deep-scan-section {
            background: rgba(59, 130, 246, 0.05); /* Very subtle tint */
            border: 1px solid var(--primary);
            border-radius: 16px; padding: 25px;
            position: relative;
        }

        .info-box {
            background: var(--input-bg);
            border: 1px solid var(--glass-border);
            padding: 15px; border-radius: 10px;
        }
        .info-box h4 { margin: 0 0 10px 0; font-size: 0.8rem; text-transform: uppercase; color: var(--text-muted); }
        
        .neon-text { color: var(--primary); font-family: 'JetBrains Mono', monospace; background: rgba(59,130,246,0.1); padding: 2px 6px; border-radius: 4px; }
        .blur-text { filter: blur(5px); cursor: pointer; }
        .blur-text:hover { filter: blur(0); }

        .stats-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
        .stats-row pre {
            background: rgba(0,0,0,0.2);
            padding: 10px; border-radius: 6px;
            font-family: 'JetBrains Mono', monospace; font-size: 0.8rem;
            height: 100px; overflow-y: auto; color: var(--text-main);
        }

        .link-btn {
            display: block; text-align: center; padding: 10px; 
            background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border);
            color: var(--primary); text-decoration: none; border-radius: 8px; margin-bottom: 5px;
        }
        .link-btn:hover { background: var(--primary); color: white; }

        /* --- CONSOLE & RESIZER --- */
        #resizer {
            height: 6px; background: rgba(0,0,0,0.1); cursor: row-resize; width: 100%;
            z-index: 50; transition: background 0.2s;
        }
        #resizer:hover, #resizer.resizing { background: var(--primary); }

        #console {
            height: var(--console-height);
            background: #0f172a; /* Always dark for terminal feel */
            color: #e2e8f0;
            font-family: 'JetBrains Mono', monospace;
            padding: 20px;
            overflow-y: auto;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .CMD { color: #60a5fa; } .WARN { color: #fbbf24; } .ERROR { color: #f87171; } .SUCCESS { color: #34d399; }

        /* HEADER STATS LAYOUT */
        #header-stats {
            display: flex;
            align-items: center;
            gap: 20px;
            flex: 1; /* Takes up remaining space */
            justify-content: center;
            margin: 0 20px;
            background: rgba(0,0,0,0.05); /* Subtle background */
            padding: 8px 15px;
            border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .h-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-main);
            min-width: 140px;
        }

        .h-stat .icon {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .h-bar-bg {
            flex: 1;
            height: 6px;
            background: rgba(128,128,128,0.2);
            border-radius: 3px;
            overflow: hidden;
            min-width: 50px;
        }

        .h-bar-fill {
            height: 100%;
            transition: width 0.5s ease;
            border-radius: 3px;
        }

        .h-val {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.75rem;
            min-width: 60px; /* Prevents jumping numbers */
            text-align: right;
        }

        /* Toggle Switch Style */
        .h-toggle {
            cursor: pointer;
            color: var(--success);
            display: flex;
            align-items: center;
        }
        .h-toggle input { display: none; }
        .h-toggle input:not(:checked) + i { color: var(--text-muted); opacity: 0.5; }

        /* --- UTILS --- */
        .tab { display: none; animation: fadeUp 0.3s cubic-bezier(0.16, 1, 0.3, 1); }
        .tab.active { display: block; }
        @keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
        
        .hidden { display: none; }
        .inner-dark { background: rgba(0,0,0,0.2); padding: 20px; border-radius: 10px; color: var(--text-main); }
        .input-group { display: flex; gap: 10px; margin-bottom: 15px; }
        .input-group input, .input-group select { flex: 1; }

        @media (max-width: 900px) {
            .layout { flex-direction: column; height: auto; }
            nav { width: 100%; flex-direction: row; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--glass-border); }
            nav button { flex: 0 0 auto; margin-right: 5px; }
        }